JVC 370 SC, 330, 340 SC service manual Jumper Settings, Front/Rear Jumpers

Chapter 3---Service Adjustments

Figure 3-6 Electronic Focus and G2 Adjustments

NOTE: The Electronic focus and G2 adjustments are located on the high voltage power supply on the rear-left side of the projector under the cover.

3.9 Jumper Settings

Table 3-1 illustrates which jumpers are used on the Horizontal Deflection Board and the Vertical Deflection Board for different projector orientations.

Table 3-1Projection orientation jumper settings.

Orientation	Convergence	Vertical jumpers	Horizontal
	jumpers	Vert. Def. Board	jumpers
	Vert. Def. Board		Horiz. Def. Board
Front/Floor Upright	J500, J600,J700	J200, J300, J400	J500
Image
Front/Ceiling	J501, J601, J701	J201, J301, J401	J501
Inverted Image
Rear/Floor	J501, J601, J701	J200, J300, J400	J501
Upright Image
Rear/Ceiling	J500, J600, J700	J201, J301, J401	J500
Inverted Image

Front/Rear Jumpers

The Horizontal Scan Reversal Jumper reverses the image projection for front or rear projection. Figure 3-7illustrates the location of the jumpers on the Horizontal Deflection Board (the board that is furthest from the rear of the projector) and

Model 330, 340SC, 370SC Service Manual 3-13